<!DOCTYPE html>
<html>
<head>
	<style>
	p { margin:8px; font-size:20px; color:blue;
			cursor:pointer; }
	b { text-decoration:underline; }
	button { cursor:pointer; }
	</style>
	<script src="http://code.jquery.com/jquery-latest.js"></script>
</head>
<body>
	<p>
		<b>Click</b> to change the <span id="tag">html</span>
	</p>
	<p>
		to a <span id="text">text</span> node.
	</p>
	<p>
		This <button name="nada">button</button> does nothing.
	</p>
	<script>
		$("p").click(function () {
			var htmlStr = $(this).html();
			$(this).text(htmlStr);
		});
	</script>
</body>
</html>